根据企业真实需求背景，java实现jpg、png、tif、gif 任意图像格式转换
说一下特殊处理的部分，就是动态传后缀名，这个地方重命名用的是带.的，但是，在格式转换这一行是不带.的，这里要注意，可以采用替换或者截取的方式，这里才去的是替换，都一样吧！
if (!ImageIO.write(bi, fileSuffix.replace(".",""), new File(sDestImage))) {System.out.println(" JimiImageUtil.convertTo" + fileSuffix.toUpperCase() + "() : 转换图像格式发生异常！");return false;}
涉及的jar包，由于jar收拾收费的因此，大家可以去我的开源项目中，下载需要的jar饱即可(见文章底部)jai_imageio.jarjimi-1.0.jar
package com.gblfy.util;import com.sun.jimi.core.Jimi;import com.sun.jimi.core.JimiException;import com.sun.jimi.core.JimiWriter;import com.sun.jimi.core.options.JPGOptions;import com.sun.jimi.core.options.PNGOptions;import javax.imageio.ImageIO;import java.awt.image.BufferedImage;import java.awt.image.ImageProducer;import java.io.File;/********************************************************************************* @direction: 图像格式转换类(转换时不需要关心源图的格式)* @support : GIF(no compressed encoding), JPEG, TIFF, PNG, PICT, BMP, Targa,* ICO, CUR, XBM, XPM, PCX, DCX* @author : gblfy******************************************************************************/public class ImageConverUtil {/*** 任意图片转换** @param sSourceImage 源图片* @param sDestImage 转换后的图片* @param fileSuffix 转换后的图片扩展名* @return*/public static boolean imageConvertCommon(String sSourceImage, String sDestImage, String fileSuffix) {if (sSourceImage == null || sSourceImage.trim().equals("")) {System.out.println("JimiImageUtil.convertTo" + fileSuffix.toUpperCase() + "() : 要转换的源图像文件路径不能为空！");return false;}if (sDestImage == null || sDestImage.trim().equals("")) {sDestImage = sSourceImage.substring(0, sSourceImage.lastIndexOf(".")) + fileSuffix;} else if (!sDestImage.endsWith(fileSuffix)) {sDestImage += fileSuffix;}//检查源图像文件File tSourceImageFile = new File(sSourceImage);if (!tSourceImageFile.exists()) {System.out.println("JimiImageUtil.convertTo" + fileSuffix.toUpperCase() + "() : 要转换的源图像文件路径不存在！");return false;} else if (!tSourceImageFile.canRead()) {System.out.println("JimiImageUtil.convertTo" + fileSuffix.toUpperCase() + "(): 要转换的源图像文件路径不可读！");return false;} else if (!tSourceImageFile.isFile()) {System.out.println("JimiImageUtil.convertTo" + fileSuffix.toUpperCase() + "() : 要转换的源图像路径不是一个有效的文件名！");return false;}long lRunStartTime = System.currentTimeMillis();try {BufferedImage bi = ImageIO.read(tSourceImageFile);if (bi == null) {//图片解码错误System.out.println("Jre:" + System.getProperty("java.version"));System.out.println(" JimiImageUtil.convertTo" + fileSuffix.toUpperCase() + "() : 要转换的源图像解码错误！");return false;}if (!ImageIO.write(bi, fileSuffix.replace(".",""), new File(sDestImage))) {System.out.println(" JimiImageUtil.convertTo" + fileSuffix.toUpperCase() + "() : 转换图像格式发生异常！");return false;}long lRunEndTime = System.currentTimeMillis();long lRunTime = lRunEndTime - lRunStartTime;System.out.println(" JimiImageUtil.convertToJPG() 运行时间 : " + lRunTime + " 毫秒");} catch (Exception e) {System.out.println(" JimiImageUtil.convertTo" + fileSuffix.toUpperCase() + "() : 转换图像格式发生异常！");return false;}return true;}/*** 图片转gif** @param sSourceImage 源图片的绝对路径 D:\5\1.jpg D:\5\1.png* @param sDestImage 转换后的gif图片路径 D:\5\1.gif* @return*/public static boolean imageConvertToGIF(String sSourceImage, String sDestImage) {if (sSourceImage == null || sSourceImage.trim().equals("")) {System.out.println(" JimiImageUtil.convertToGIF() : 要转换的源图像文件路径不能为空！");return false;}if (sDestImage == null || sDestImage.trim().equals("")) {sDestImage = sSourceImage.substring(0, sSourceImage.lastIndexOf(".")) + ".gif";} else if (!sDestImage.endsWith(".gif")) {sDestImage += ".gif";}//检查源图像文件File tSourceImageFile = new File(sSourceImage);if (!tSourceImageFile.exists()) {System.out.println(" JimiImageUtil.convertToGIF() : 要转换的源图像文件路径不存在！");return false;} else if (!tSourceImageFile.canRead()) {System.out.println(" JimiImageUtil.convertToGIF() : 要转换的源图像文件路径不可读！");return false;} else if (!tSourceImageFile.isFile()) {System.out.println(" JimiImageUtil.convertToGIF() : 要转换的源图像路径不是一个有效的文件名！");return false;}try {BufferedImage bi = ImageIO.read(tSourceImageFile);if (bi == null) {//图片解码错误System.out.println("Jre:" + System.getProperty("java.version"));System.out.println(" JimiImageUtil.convertToGIF() : 要转换的源图像解码错误！");return false;}if (!ImageIO.write(bi, "gif", new File(sDestImage))) {System.out.println(" JimiImageUtil.convertToGIF() : 转换图像格式发生异常！");return false;}} catch (Exception e) {System.out.println(" JimiImageUtil.convertToGIF() : 转换图像格式发生异常！");return false;}return true;}/*** 图片转Tif** @param sSourceImage* @param sDestImage* @return*/public static boolean imageConvertToTif(String sSourceImage, String sDestImage) {if (sSourceImage == null || sSourceImage.trim().equals("")) {System.out.println(" JimiImageUtil.convertToGIF() : 要转换的源图像文件路径不能为空！");return false;}if (sDestImage == null || sDestImage.trim().equals("")) {sDestImage = sSourceImage.substring(0, sSourceImage.lastIndexOf(".")) + ".tif";} else if (!sDestImage.endsWith(".tif")) {sDestImage += ".tif";}//检查源图像文件File tSourceImageFile = new File(sSourceImage);if (!tSourceImageFile.exists()) {System.out.println(" JimiImageUtil.convertToTif() : 要转换的源图像文件路径不存在！");return false;} else if (!tSourceImageFile.canRead()) {System.out.println(" JimiImageUtil.convertToTif() : 要转换的源图像文件路径不可读！");return false;} else if (!tSourceImageFile.isFile()) {System.out.println(" JimiImageUtil.convertToTif() : 要转换的源图像路径不是一个有效的文件名！");return false;}try {BufferedImage bi = ImageIO.read(tSourceImageFile);if (bi == null) {//图片解码错误System.out.println("Jre:" + System.getProperty("java.version"));System.out.println(" JimiImageUtil.convertToTif() : 要转换的源图像解码错误！");return false;}if (!ImageIO.write(bi, "tif", new File(sDestImage))) {System.out.println(" JimiImageUtil.convertToTif() : 转换图像格式发生异常！");return false;}} catch (Exception e) {System.out.println("JimiImageUtil.convertToTif() : 转换图像格式发生异常！");return false;}return true;}/*** 转换图像格式为 JPG** @param sSourceImage, 其它格式的源图像文件路径* @param sDestImage, 目标 JPG 图像文件存放路径* @param nQuality,品质, 0-100, 数值越高品质越好* @return*/public static boolean imageConvertToJPG(String sSourceImage, String sDestImage, int nQuality) {if (sSourceImage == null || sSourceImage.trim().equals("")) {System.out.println(" JimiImageUtil.convertToJPG() : 要转换的源图像文件路径不能为空！");return false;}if (sDestImage == null || sDestImage.trim().equals("")) {sDestImage = sSourceImage.substring(0, sSourceImage.lastIndexOf(".")) + ".jpg";} else if (!sDestImage.endsWith(".jpg")) {sDestImage += ".jpg";}//检查源图像文件File tSourceImageFile = new File(sSourceImage);if (!tSourceImageFile.exists()) {System.out.println(" JimiImageUtil.convertToJPG() : 要转换的源图像文件路径不存在！");return false;} else if (!tSourceImageFile.canRead()) {System.out.println(" JimiImageUtil.convertToJPG() : 要转换的源图像文件路径不可读！");return false;} else if (!tSourceImageFile.isFile()) {System.out.println(" JimiImageUtil.convertToJPG() : 要转换的源图像路径不是一个有效的文件名！");return false;}tSourceImageFile = null;try {long lRunStartTime = System.currentTimeMillis();JPGOptions tJPGOptions = new JPGOptions();if (nQuality < 0 || nQuality > 100) {tJPGOptions.setQuality(75);} else {tJPGOptions.setQuality(nQuality);}ImageProducer tImageProducer = Jimi.getImageProducer(sSourceImage);JimiWriter tJimiWriter = Jimi.createJimiWriter(sDestImage);tJimiWriter.setSource(tImageProducer);tJimiWriter.setOptions(tJPGOptions);tJimiWriter.putImage(sDestImage);tImageProducer = null;tJimiWriter = null;tJPGOptions = null;long lRunEndTime = System.currentTimeMillis();long lRunTime = lRunEndTime - lRunStartTime;System.out.println(" JimiImageUtil.convertToJPG() 运行时间 : " + lRunTime + " 毫秒");} catch (JimiException je) {System.out.println(" JimiImageUtil.convertToJPG() : 转换图像格式发生异常！");je.printStackTrace();return false;} catch (Exception ex) {ex.printStackTrace();return false;}return true;}/*** 转换图像格式为 PNG** @param sSourceImage , 其它格式的源图像文件路径* @param sDestImage ,目标 PNG 图像文件存放路径* @param sCompression ,压缩比, none, default, fast, max* @return*/public static boolean imageConvertToPNG(String sSourceImage, String sDestImage, String sCompression) {if (sSourceImage == null || sSourceImage.trim().equals("")) {System.out.println(" JimiImageUtil.convertToPNG() : 要转换的源图像文件路径不能为空！");return false;}if (sDestImage == null || sDestImage.trim().equals("")) {sDestImage = sSourceImage.substring(0, sSourceImage.lastIndexOf(".")) + ".png";} else if (!sDestImage.endsWith(".png")) {sDestImage += ".png";}//----------------------------------------------------------------------//检查源图像文件File tSourceImageFile = new File(sSourceImage);if (!tSourceImageFile.exists()) {System.out.println(" JimiImageUtil.convertToPNG() : 要转换的源图像文件路径不存在！");return false;} else if (!tSourceImageFile.canRead()) {System.out.println(" JimiImageUtil.convertToPNG() : 要转换的源图像文件路径不可读！");return false;} else if (!tSourceImageFile.isFile()) {System.out.println(" JimiImageUtil.convertToPNG() : 要转换的源图像路径不是一个有效的文件名！");return false;}tSourceImageFile = null;try {long lRunStartTime = System.currentTimeMillis();PNGOptions tPNGOptions = new PNGOptions();if (sCompression == null || sCompression.trim().equals("")) {tPNGOptions.setCompressionType(PRESSION_DEFAULT);} else if (sCompression.equalsIgnoreCase("none")) {tPNGOptions.setCompressionType(PRESSION_NONE);} else if (sCompression.equalsIgnoreCase("fast")) {tPNGOptions.setCompressionType(PRESSION_FAST);} else if (sCompression.equalsIgnoreCase("max")) {tPNGOptions.setCompressionType(PRESSION_MAX);} else {tPNGOptions.setCompressionType(PRESSION_DEFAULT);}ImageProducer tImageProducer = Jimi.getImageProducer(sSourceImage);JimiWriter tJimiWriter = Jimi.createJimiWriter(sDestImage);tJimiWriter.setSource(tImageProducer);tJimiWriter.setOptions(tPNGOptions);tJimiWriter.putImage(sDestImage);tImageProducer = null;tJimiWriter = null;tPNGOptions = null;long lRunEndTime = System.currentTimeMillis();long lRunTime = lRunEndTime - lRunStartTime;System.out.println(" JimiImageUtil.convertToPNG() 运行时间 : " + lRunTime + " 毫秒");} catch (JimiException je) {System.out.println(" JimiImageUtil.convertToPNG() : 转换图像格式发生异常！");je.printStackTrace();return false;} catch (Exception ex) {ex.printStackTrace();return false;}return true;}public static void main(String[] args) {// jpg png gif tif 图片格式互转String inputFilePath = "D:" + File.separator + "7" + File.separator + "1.jpg";String outputFilePath = "D:" + File.separator + "7" + File.separator + "1.tif";String fileSuffix = "tif";ImageConverUtil.imageConvertCommon(outputFilePath, inputFilePath, fileSuffix);System.out.println("-----------------执行完成-------------");//png /jpg 转tif// String inputFilePath = "D:" + File.separator + "6" + File.separator + "1.jpg";// String inputFilePath = "D:" + File.separator + "6" + File.separator + "1.png";// String outputFilePath = "D:" + File.separator + "6" + File.separator + "1.tif";// ImageConverUtil.imageConvertToTif(inputFilePath, outputFilePath);// System.out.println("-----------------执行完成-------------");//png /jpg 转gif// String inputFilePath = "D:" + File.separator + "5" + File.separator + "1.png";// String inputFilePath = "D:" + File.separator + "5" + File.separator + "1.jpg";// String outputFilePath = "D:" + File.separator + "5" + File.separator + "1.gif";// ImageConverUtil.imageConvertToGIF(inputFilePath, outputFilePath);// System.out.println("-----------------执行完成-------------");// png转jpg// String inputFilePath = "D:" + File.separator + "4" + File.separator + "1.tif";// String outputFilePath = "D:" + File.separator + "4" + File.separator + "1.jpg";// ImageConverUtil.imageConvertToJPG(inputFilePath, outputFilePath, 100);// System.out.println("-----------------执行完成-------------");// jpg 转png// String inputFilePath = "D:" + File.separator + "3" + File.separator + "1.jpg";// String outputFilePath = "D:" + File.separator + "3" + File.separator + "1.png";// ImageConverUtil.imageConvertToPNG(inputFilePath, outputFilePath, "default");// System.out.println("-----------------执行完成-------------");}}
jar下载链接：/download/weixin_40816738/46766690
